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A046107
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Triangle of prime numbers in which n-th row lists all primes p such that 1/p has decimal period n, n >= 1.
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12
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3, 11, 37, 101, 41, 271, 7, 13, 239, 4649, 73, 137, 333667, 9091, 21649, 513239, 9901, 53, 79, 265371653, 909091, 31, 2906161, 17, 5882353, 2071723, 5363222357, 19, 52579, 1111111111111111111, 3541, 27961, 43, 1933, 10838689, 23, 4093
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| The number of numbers in each row n is given by A112505(n).
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LINKS
| T. D. Noe, Rows n=1..276, flattened
Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.
Index entries for sequences related to decimal expansion of 1/n
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EXAMPLE
| 3; 11; 37; 101; 41,271; 7,13; ...
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MATHEMATICA
| pp={}; Do[f=Transpose[FactorInteger[10^n-1]][[1]]; p=Complement[f, pp]; pp=Union[pp, p]; Print[p], {n, 66}] - T. D. Noe (noe(AT)sspectra.com), Sep 08 2005
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CROSSREFS
| Cf. A007138.
Sequence in context: A108544 A095088 A007138 * A061075 A005422 A040017
Adjacent sequences: A046104 A046105 A046106 * A046108 A046109 A046110
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KEYWORD
| nonn,tabf
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AUTHOR
| Eric Weisstein (eric(AT)weisstein.com)
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